Search a number
-
+
1100000231 = 112192371293
BaseRepresentation
bin100000110010000…
…1010101111100111
32211122211210122022
41001210022233213
54223100001411
6301052453355
736154563521
oct10144125747
92748753568
101100000231
11514a15500
1226847a25b
13146b80b15
14a613ca11
1566885edb
hex4190abe7

1100000231 has 48 divisors (see below), whose sum is σ = 1351365120. Its totient is φ = 890366400.

The previous prime is 1100000227. The next prime is 1100000261. The reversal of 1100000231 is 1320000011.

It is not a de Polignac number, because 1100000231 - 22 = 1100000227 is a prime.

It is a super-2 number, since 2×11000002312 = 2420001016400106722, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1100000261) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3754121 + ... + 3754413.

It is an arithmetic number, because the mean of its divisors is an integer number (28153440).

Almost surely, 21100000231 is an apocalyptic number.

1100000231 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1100000231 is a deficient number, since it is larger than the sum of its proper divisors (251364889).

1100000231 is a wasteful number, since it uses less digits than its factorization.

1100000231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 428 (or 417 counting only the distinct ones).

The product of its (nonzero) digits is 6, while the sum is 8.

The square root of 1100000231 is about 33166.2513860098. The cubic root of 1100000231 is about 1032.2801877160.

Adding to 1100000231 its reverse (1320000011), we get a palindrome (2420000242).

The spelling of 1100000231 in words is "one billion, one hundred million, two hundred thirty-one", and thus it is an aban number.

Divisors: 1 11 19 23 71 121 209 253 293 437 781 1349 1633 2299 2783 3223 4807 5567 6739 8591 14839 17963 20803 31027 35453 52877 61237 74129 128041 163229 197593 228833 341297 395257 478469 673607 815419 1408451 2517163 3754267 4347827 5263159 9090911 15492961 47826097 57894749 100000021 1100000231